The Challenges of Using an 8in Dobsonian Reflecting Telescope

When it comes to using a Dobsonian mount, one of the biggest challenges amateur astronomers face is stabilizing the optical tube of the telescope. This becomes even more difficult when accessories such as finderscopes or eyepieces are added to the optical tube. The Dobsonian mount relies on friction between the side bearings and the saddle to hold the optical tube in place.

If there is too little friction, the telescope will not stay where it is positioned. On the other hand, if there is too much friction, it can be difficult to move the telescope to center an object in the field of view. The tension control handle plays a crucial role in managing this balance and ensuring smooth movement of the telescope.

Despite these challenges, the Dobsonian mount remains popular among amateur astronomers and telescope makers due to its simplicity and elegance. Invented by John Dobson in the late 1970s, it is a simple form of an alt-azimuth mount designed to carry a Newtonian reflector.

The Saxon 8' DeepSky Dobsonian Telescope is one such example that comes with an aperture (mirror diameter) of 203mm and a focal length of 1200mm in a 235 mm diameter tube. It features quality parts and accessories, including a special roller-bearing construction, Crayford focuser, eyepieces, and finderscope designed to enhance the observing experience.

Unlike traditional tripods, Dobsonian reflector telescopes do not sit on tables; instead, the base holding the telescope sits on the ground. This unique design allows for easy movement and positioning of the telescope.

The Saxon 8' DeepSky Dobsonian Telescope is an excellent choice for beginner astronomers, requiring no additional tools during assembly and being incredibly easy to use. With a little practice, users can soon find and view the rocky surfaces of the Moon, planets in the Solar System, as well as deep sky objects such as star clusters, double stars, nebulae, and even galaxies.

Overall, while using an 8in Dobsonian reflecting telescope presents some challenges, its simplicity and ease of use make it an excellent choice for anyone looking to begin their astronomy adventure.

8in dobsonian reflecting telescope